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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
75" to 3" fitment
The OEM rubber flex discs will flex and distort under load causing them to fail
Thumb horn buttons
they provide an extra safety margin by preventing air pocket cavitation at the water pump
IAG Performance V4 Air Oil Separator AOS - Red - 2004-2007 Subaru STI / 2006-2007 WRX PDM_valve-springs 75" to 3" fitmentIAG V4 Air Oil Separator AOS Red 2004 2007 Subaru STI 2006 2007 WRX Keep Oil Out of Your Intake The IAG V4 Air Oil Separator (AOS) is designed to protect and improve the performance of your 2006 2007 Subaru WRX or 2004 2007 STI by intercepting crankcase blow by oil before it reaches the intake tract. Developed after years of testing on both street and competition applications, the IAG AOS uses a 1 liter cast aluminum swirl pot canister to dramatically